<template>
  <h2>姓名：{{ name }}</h2>
  <h2>年龄：{{ age }}</h2>
  <h2>薪水：{{ job.j1.salary }}</h2>
  <button @click="name += '!'">修改姓名</button>
  <button @click="age++">修改年龄</button>
  <button @click="job.j1.salary++">涨薪</button>
</template>

<script>
import { reactive, toRef, toRefs } from "vue";
export default {
  name: "Demo",
  setup() {
    let person = reactive({
      name: "张三",
      age: 99,
      job: {
        j1: {
          salary: 18,
        },
      },
    });
    // const name1 = person.name;
    // const name2 = toRef(person, "name");

    // const x = toRefs(person);
    return {
      //   name: toRef(person, "name"),
      //   age: toRef(person, "age"),
      //   salary: toRef(person.job.j1, "salary"),
      ...toRefs(person),
    };
  },
};
</script>

<style>
</style>
